PRO-MAN-PT4
Prefix Plus-T Preamp – narrow format
PRO-MAT-PT4
Prefix Plus-T Preamp – wide format
PRO-MAN-P51
Prefix Pro Blend Preamp – narrow format
PRO-MAT-P51
Prefix Pro Blend Preamp – wide format
PRO-MAN-P81
Aura Pro Preamp – narrow format
PRO-MAT-P81
Aura Pro Preamp – wide pickup
PRO-PSY-201
Presys Plus Preamp – narrow or wide